Barnes & NobleThe Lilies by Quinn Diacon-Furtado

"One of Us Is Lying meets A Good Girl's Guide to Murder in this don't-dare-to-look-away dark academia thriller that explores how secrets can rot an institution and the people who uphold it from the inside out. Everyone wants to be a Lily. At Archwell Academy, it's the ticket to a successful future. But like every secret society, there is something much darker beneath the surface... sometimes girls disappear. When four Archwell students find themselves trapped in a time loop, they must relive their worst memories, untangling the Lilies' moldering roots and unraveling the secrets at the core of their school... before they destroy their futures forever."